Observations of the impenetrable barrier, the plasmapause, and the VLF bubble during the 17 March 2015 storm

Van Allen Probes observations during the 17 March 2015 major geomagnetic storm strongly suggest that VLF transmitter-induced waves play an important role in sculpting the earthward extent of outer zone MeV electrons. A magnetically confined bubble of very low frequency (VLF) wave emissions of terres...

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Main Authors: Baker, D. N., Jaynes, A. N., Mishin, E. V., Fennel, J. F., Li, X., Henderson, M. G., Kanekal, S. G., Foster, John C, Erickson, Philip J
Other Authors: Haystack Observatory
Format: Article
Language:en_US
Published: American Geophysical Union (AGU) 2017
Online Access:http://hdl.handle.net/1721.1/109263
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author Baker, D. N.
Jaynes, A. N.
Mishin, E. V.
Fennel, J. F.
Li, X.
Henderson, M. G.
Kanekal, S. G.
Foster, John C
Erickson, Philip J
author2 Haystack Observatory
author_facet Haystack Observatory
Baker, D. N.
Jaynes, A. N.
Mishin, E. V.
Fennel, J. F.
Li, X.
Henderson, M. G.
Kanekal, S. G.
Foster, John C
Erickson, Philip J
author_sort Baker, D. N.
collection MIT
description Van Allen Probes observations during the 17 March 2015 major geomagnetic storm strongly suggest that VLF transmitter-induced waves play an important role in sculpting the earthward extent of outer zone MeV electrons. A magnetically confined bubble of very low frequency (VLF) wave emissions of terrestrial, human-produced origin surrounds the Earth. The outer limit of the VLF bubble closely matches the position of an apparent barrier to the inward extent of multi-MeV radiation belt electrons near 2.8 Earth radii. When the VLF transmitter signals extend beyond the eroded plasmapause, electron loss processes set up near the outer extent of the VLF bubble create an earthward limit to the region of local acceleration near L = 2.8 as MeV electrons are scattered into the atmospheric loss cone.
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spelling mit-1721.1/1092632022-09-27T23:08:40Z Observations of the impenetrable barrier, the plasmapause, and the VLF bubble during the 17 March 2015 storm Baker, D. N. Jaynes, A. N. Mishin, E. V. Fennel, J. F. Li, X. Henderson, M. G. Kanekal, S. G. Foster, John C Erickson, Philip J Haystack Observatory Foster, John C. Foster, John C Erickson, Philip J Van Allen Probes observations during the 17 March 2015 major geomagnetic storm strongly suggest that VLF transmitter-induced waves play an important role in sculpting the earthward extent of outer zone MeV electrons. A magnetically confined bubble of very low frequency (VLF) wave emissions of terrestrial, human-produced origin surrounds the Earth. The outer limit of the VLF bubble closely matches the position of an apparent barrier to the inward extent of multi-MeV radiation belt electrons near 2.8 Earth radii. When the VLF transmitter signals extend beyond the eroded plasmapause, electron loss processes set up near the outer extent of the VLF bubble create an earthward limit to the region of local acceleration near L = 2.8 as MeV electrons are scattered into the atmospheric loss cone. United States. National Aeronautics and Space Administration (contract NAS5-01072) 2017-05-22T18:19:49Z 2017-05-22T18:19:49Z 2016-06 2016-05 Article http://purl.org/eprint/type/JournalArticle 2169-9380 2169-9402 http://hdl.handle.net/1721.1/109263 Foster, J. C.; Erickson, P. J.; Baker, D. N.; Jaynes, A. N.; Mishin, E. V.; Fennel, J. F.; Li, X.; Henderson, M. G. and Kanekal, S. G.“Observations of the Impenetrable Barrier, the Plasmapause, and the VLF Bubble During the 17 March 2015 Storm.” Journal of Geophysical Research: Space Physics 121, no. 6 (June 2016): 5537–5548 © 2016 American Geophysical Union en_US http://dx.doi.org/10.1002/2016JA022509 Journal of Geophysical Research: Space Physics Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Geophysical Union (AGU) Foster
spellingShingle Baker, D. N.
Jaynes, A. N.
Mishin, E. V.
Fennel, J. F.
Li, X.
Henderson, M. G.
Kanekal, S. G.
Foster, John C
Erickson, Philip J
Observations of the impenetrable barrier, the plasmapause, and the VLF bubble during the 17 March 2015 storm
title Observations of the impenetrable barrier, the plasmapause, and the VLF bubble during the 17 March 2015 storm
title_full Observations of the impenetrable barrier, the plasmapause, and the VLF bubble during the 17 March 2015 storm
title_fullStr Observations of the impenetrable barrier, the plasmapause, and the VLF bubble during the 17 March 2015 storm
title_full_unstemmed Observations of the impenetrable barrier, the plasmapause, and the VLF bubble during the 17 March 2015 storm
title_short Observations of the impenetrable barrier, the plasmapause, and the VLF bubble during the 17 March 2015 storm
title_sort observations of the impenetrable barrier the plasmapause and the vlf bubble during the 17 march 2015 storm
url http://hdl.handle.net/1721.1/109263
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